相关实验视频

Updated: Jul 4, 2025

Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels
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Calibration of Vector Network Analyzer for Measurements in Radio Frequency Propagation Channels

Published on: June 2, 2020

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灵活的对称缺陷天线,具有曲和热不敏感性,用于小型无人机

Xueli Nan1,2, Tongtong Kang1, Zhonghe Zhang3

  • 1School of Automation and Software Engineering, Shanxi University, Taiyuan 030006, China.

Micromachines
|January 26, 2024
PubMed
概括

本研究介绍了无人机 (UAV) 的灵活天线,尽管曲和温度变化,但保持稳定的性能. 这种新的设计确保了对合规和包装应用的可靠通信.

关键词:
一个天线天线天线.曲折 曲折 曲折 曲折灵活的 灵活的 灵活的 灵活的没有敏感性,没有敏感性.热热的热量是可以实现的.

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Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
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When analyzing the deformation of a symmetric prismatic member subjected to bending by equal and opposite couples, it becomes clear that as the member bends, the originally straight lines on its wider faces curve into circular arcs, with a constant radius centered at a point known as Point C. This phenomenon helps to understand the stress and strain distribution within the member more clearly.
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Unsymmetric Bending

Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The...
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Unsymmetric Loading of Thin-Walled Members

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